Home / 6,214.40-9,320.88-1,831.76

Finding the Fourth Proportional to 6,214.40, 9,320.88 and 1,831.76

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Solution

The fourth proportional to 6,214.40, 9,320.88 and 1,831.76 is: 2,747.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.40 : 9,320.88 = 1,831.76 : x
  2. Step 2: Convert to fraction form
    6,214.40/9,320.88 = 1,831.76/x
  3. Step 3: Cross multiply
    6,214.40x = 9,320.88 × 1,831.76
  4. Step 4: Simplify right side
    6,214.40x = 17,073,615.15
  5. Step 5: Solve for x
    x = 17,073,615.15/6,214.40
  6. Step 6: Final answer
    x = 2,747.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.